Pith Number

pith:XO5252OW

pith:2015:XO5252OWM7RTUUF3QLSO677LD3

not attested not anchored not stored refs pending

Reflections of planar convex bodies

Rolf Schneider

arxiv:1504.00541 v1 · 2015-04-02 · math.MG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XO5252OWM7RTUUF3QLSO677LD3}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T02:19:43.125941Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bbbbaee9d667e33a50bb82e4ef7feb1ec58b7bd6613fca89f2d1f4ca91accfdd

Aliases

arxiv: 1504.00541 · arxiv_version: 1504.00541v1 · doi: 10.48550/arxiv.1504.00541 · pith_short_12: XO5252OWM7RT · pith_short_16: XO5252OWM7RTUUF3 · pith_short_8: XO5252OW

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/XO5252OWM7RTUUF3QLSO677LD3 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: bbbbaee9d667e33a50bb82e4ef7feb1ec58b7bd6613fca89f2d1f4ca91accfdd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a1a12689c6327478e0b1049b82014264a98db4f7cd0a062488324f6916fe1a4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2015-04-02T13:13:36Z",
    "title_canon_sha256": "724a9e6719302dbb02b2b8774c6ae6da4e4b6a6005eb3a7a305861e700c62215"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.00541",
    "kind": "arxiv",
    "version": 1
  }
}